posted on Dec, 7 2014 @ 01:30 PM
NASA scientists are searching for an explanation for a strange circular feature, approximately 2 km (1.2 miles) in diameter, located in the
region of Mars that was imaged by the Mars Reconnaissance
Orbiter's HiRISE camera.
This enigmatic "island" stands in stark contrast to the flat "sea" of the surrounding plain and is thought to be a result of volcanism though the
exact mechanism behind its formation has yet to be described.
From the NASA JPL release
Perhaps lava has intruded underneath this mound and pushed it up from beneath. It looks as if material is missing from the mound, so it is also
possible that there was a significant amount of ice in the mound that was driven out by the heat of the lava. There are an array of features like this
in the region that continue to puzzle scientists.
We hope that close inspection of this HiRISE image, and others around it, will provide some clues regarding its formation.
It's an interesting image and when I saw it in the
this morning, my first thought was that it looked a bit like a cell on a slide though the CNET article
compares it to a waffle (an Eggo I'd assume) and
likened it to a giant cookie.
A sci-news.com article contained a larger image, showing more of the surrounding terrain, which can viewed
edit on 2014-12-7 by theantediluvian because: (no